Texas's entry into the union outraged the Mexican government, which promptly broke diplomatic relations with the United States. President Polk's designs on california added to the conflict. In NOvember 1845, he sent John Sidell as an envoy to Mexico City to try to purchase california and resolve other differences. Mexico's new President, Jose Joaquin Herrera, refused to meet with Slidell. In January 1846 Polk ordered General Zachary Taylor to lead troops across the Nueces River into territory claimed by both United States and Mexico
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| American's win the war! |